Dogs and genetics

A Dogue de Bordeaux chomps on a lamb chop before competing in the Westminster Dog Show. Studying different breeds of dogs could shed light on many human disorders, scientists believe.

A Dogue de Bordeaux chomps on a lamb chop before competing in the Westminster Dog Show. Studying different breeds of dogs could shed light on many human disorders, scientists believe. (Myung J. Chun / Los Angeles Times)

A Dogue de Bordeaux chomps on a lamb chop before competing in the Westminster Dog Show. Studying different breeds of dogs could shed light on many human disorders, scientists believe.